RTEMS | powerpc/motorola_powerpc: Convert PPCBug NVRAM variables into env variables (!1322)

Chris Johns (@chris) gitlab at rtems.org
Tue Jun 23 02:18:19 UTC 2026




Chris Johns commented on a discussion on bsps/powerpc/include/bsp/ppcbug-nvram-net-env.h: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1322#note_153023

 > + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 > + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 > + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 > + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 > + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 > + * SUCH DAMAGE.
 > + */
 > +
 > +/*
 > + * PPCBug RTEMS Network Environment Variables
 > + *
 > + * Set the environment variables based on the NVRAM data. The pattern
 > + * for scanning follows the parsing that was in EPICS Base's
 > + * `setBootConfigFromNVRAM.c`. The code was moved to RTEMS as part of
 > + * a clean up of EPICS code.
 > + */

I was thinking of adding the supported environment variables to the BSP once these MRs are merged. The only place I have provided a complete list is in the [RTEMS Support Planning](https://github.com/epics-base/epics-base/discussions/851#discussioncomment-16848778) issue Andrew created. 

In terms of what environment variables we support there is no LibBSD documentation and adding that to add this seciton is a large piece of work that is out of scope for this change.

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1322#note_153023
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